Question

it is used in thermal power plants.
options-

coal
coal gas
coal tar
coke​

Answer 1

Explanation:

These days, bitumen, a petroleum product, is used in place of coal-tar for metalling the roads. When heated in air, coal burns and produces mainly carbon dioxide gas. Coal is processed in industry to get some useful products such as coke, coal tar and coal gas. It is a tough, porous and black substance.